| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.5%
|
| 0 | 8 |
4%
|
|
| 1 | 16 |
7.9%
|
|
| 2 | 25 |
12.4%
|
|
| 3 | 26 |
12.9%
|
|
| 4 | 14 |
6.9%
|
|
| 5 | 13 |
6.4%
|
|
| 6 | 11 |
5.4%
|
|
| 7 | 8 |
4%
|
|
| 8 | 9 |
4.5%
|
|
| 9 | 2 |
1%
|
|
| 10 | 13 |
6.4%
|
|
| 11 | 3 |
1.5%
|
|
| 12 | 3 |
1.5%
|
|
| 13 | 1 |
0.5%
|
|
| 15 | 2 |
1%
|
|
| 16 | 2 |
1%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 6 |
3%
|
|
| 22 | 2 |
1%
|
|
| 24 | 3 |
1.5%
|
|
| 25 | 2 |
1%
|
|
| 26 | 1 |
0.5%
|
|
| 27 | 1 |
0.5%
|
|
| 30 | 7 |
3.5%
|
|
| 34 | 1 |
0.5%
|
|
| 35 | 3 |
1.5%
|
|
| 40 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 50 | 1 |
0.5%
|
|
| 60 | 4 |
2%
|
|
| 70 | 3 |
1.5%
|
|
| 80 | 1 |
0.5%
|
|
| 81 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 110 | 1 |
0.5%
|
|
| 120 | 1 |
0.5%
|
|
| 1200 | 1 |
0.5%
|
|
| Sysmiss | 152 |